Convertible oven for ranges



C. W. NYE.

CONVERTIBLE OVEN FOR RANGES, APPLICATION FILED APR. I9. 1918.

1,309,100. Patented July 8,1919. 0 J Z0 Z u n 11 Ill 34 m! coLUMllA PLANOGIAPH c0 WASHINGTON. D. C.

UNITED STATES PATENT OFFICE.

CHARLES W. NYE, OF MINNEAPOLIS, MINNESOTA, ASSIGNOR TO THE MINNESOTA STOVE COMPANY, A CORPORATION OF MINNESOTA.

CONVERTIBLE OVEN ronnAnens.

Specification of Letters Patent.

PatentedJuly 8, 1919.

Application filed April 19, 1918. I Serial No. 229,514.

T 0 all w ho'm, it may concern Be it known that I, CHARLES WV. NYE, a citizen of the United States, residing at Minneapolis, in the county of Hennepin and State of Minnesota, have invented certain new and useful Improvements in- Convertible Ovens for Ranges, of which the following is a specification.

Hy invention relates to. convertible ovens for ranges and has for its object to provide an oven which can be readily changed so as to adapt it for use with ranges either when fuel such as coal or wood is used or when fuel of a difi'erent character such as gas is used. A further object is to provide an oven of this. character which can be changed to adapt it for one-use or the other in the minimum of time and with a minimum of effort.

The full objects and advantages of my invention will appear in connection with the detailed description thereof and are particularly pointed out in the claims.

Referring to the accompanying drawings, which illustrate the application of my invention in one of its forms,

Figure 1 is an end view of a range showing the oven in section. Fig. 2 is a front view of the oven portion of the range shoW- ing the oven door open. Fig. 3 is a view similar to Fig. 1 but showing the oven having certain changes made to adapt it for using gas as a fuel. Fig. 4 is a top plan view of a movable member which .is used when the oven is heated by gas. Fig. 5 is a detail view on the line 55 of Fig. 2, showing the flue and controlling door for the exit ofspent gases.v Fig. 6 is a view of the disconnectible gas supply for the burner. Fig. 7 is a face view of the air controlling inlets leading to the gas burner.

In the drawings 10 indicates the fire chamber endof the range adapted to use solid fuel such as wood or coal. Since this portion of the range is of the usual construction it is not necessary to illustrate and describe the same in detail. 12 indicates the oven and gas burner end of the range to which my invention is applied. 14 designates the customary oven door hinged to the front wall of the range at 16 and shown in open position in Figs. 1 and 2 and in closed position in Fig. 3. The end Walls'of the oven are provided with the usual slideways 18 for the grid or shelf 20. In order that the oven may be heated by gas, I provide .a slidab-le member which is entirely removed from the oven when solid'fuel is used, butwhich is placed in the bottom of the oven and slid rearwardly when gas is to be used Thisslidable member comprises a base plate 20 having upwardly-extending lugsfor straps 22 which hold the burner 24 in place, and extending upwardly from the burner are lugs or straps "26 which secure a baflile plate 28in place. The baflie plate'is of less length and width than the oven and is surrounded by a grid portion 30 at the ends. The peripheral portion of the grid extends around the front of the'baiile plate. This construction provides for proper circulation of the heated air in the oven. The

rear end' ofythe burner is integral with a pipe section 32 at right angles thereto, which in turn is bent at a rightangle to form a pipe section 34 which is offset from the burner. The slidable member is adapted to be slid on the bottom of the oven and over the cold air fine 36. The rear wall of the oven is provided with two hinged doors 38 and 40 secured to a rotatable rod 41 mounted in the rear wall. Then the slidable memher is pushed towardthe rear of the oven, 5

the end of the pipe section 34' strikes the door 40, lifting the same and also lifting the door 38. The latter ,door controls an openingto the spent gas flue 42, as best shown enlarged and formed with a wall 44, as best shown in Figs. 6 and 7, which-has a central opening 46 and concentric slots 48 which may be madeto register more or less with concentric slots 50 in a disk 52 adjus'tably connected to the wall 44 by set screws 54. The disk 52 has an opening forming a con ,in Fig. 5. The rear end of the pipe 34 is member is removed from the oven, the doors 3S and 40 drop into place by gravity and close the openings which they control, so that the oven may be used as an ordinary oven in connection with the fire chamber 10. Then it is desired to heat the oven by gas, the oven door It is opened and the slidable member previously referred to is slid along the bottom of the oven until the coned opening 4:6 fits snugly over the coned end 56 of the gas supply pipe, which acts as a guide coned end 56 of the supply pipe which enters the coned opening 46, I prefer to also provide an additional guide consisting of the annular member 68 which is secured to the range so as to be concentrically spaced from the end 56. This member is shown in Fig. 6 as coned in its inner circumference in order that the enlarged end of the pipe section 3% may slide thereon.

I claim:

1. A convertible oven comprising a gas admission door, a spent gas outlet door, both of said doors being hinged to the rear wall of the oven, a gas burner adapted to be slid into the bottom of the oven when the main door at the front thereof is open, and means whereby both of said rear doors are opened by sliding movement of said burner.

2. A convertible oven comprising a gas admission door, a spent gas outlet door, both of said doors being hinged to the rear wall of the oven, a gas burner and attached baflle plate adapted to be slid into the bottom of the oven when the main door at the front thereof is opened, means whereby both of said rear doors are opened by sliding movement of said burner, a gas supply pipe having its end located rearwardly of said gas admission door, and means whereby said burner and said supply pipe are caused to snugly engage each other when said burner is slid into place.

3. A convertible oven comprising a gas admission door, a spent gas outlet door, a rod rotatably mounted in the rear wall of the oven, both of said doors being secured to said rod, a burner adapted to he slid into the bottom of the oven when the main door at the front thereof is opened, the rear end of said burner being positioned to engage said gas admission door to open the same and also open said gas outlet door, the gas supply pipe having its delivery end in line with said rear burner end, and means whereby said pipe section and said supply pipe are caused to snugly engage eachother by sliding movement.

4. A convertible oven comprising a gas admission door, a spent gas outlet door, a rod rotatably mounted in the rear wall of the oven, both of said doors being secured to said rod, a burner adapted to be slid into the bottom of the oven when the main door at the front thereof is open, a pipe section connected to the rear of said burner and positioned to engage said gas admission door and also open said gas outlet door, a gas supply pipe having its delivery end in line with said pipe section, and means whereby said pipe section and said supply pipe are caused to snugly engage each other by sliding movement.

5. A convertible oven comprising a gas admission door, a spent gas outlet door, a rod rotatably mounted in the rear, wall of the oven, both of said doors being secured to said rod, a baffle plate, a burner attached to said baffle plate, said burner and bafile plate being adapted to be slid into the bottom of the oven when the main door at the front thereof is open, an offset pipe section connected to the rear of said burner and positioned to engage said admission door to open the same and also open said outlet door, a gas supply pipe having its delivery end in line with said pipe section, and means wherc by said pipe section and said supply pipe are caused to snugly engage each other by sliding, movement.

In testimony whereof I hereunto afiix my signature. 1

CHARLES W. NYE.

Copies of this patent may be obtained for five cents each, by addressing the "Commissioner of Patents. Washington, D. 0. 

